Microfibrillated cellulose (MFC) isolation based on stalk sweet sorghum through alkalinization-bleaching treatment: Effect of soaking temperature

Ismojo, Azmi Novovic, Dimas Reza Lazwardi, Anne Zulfia, Mochamad Chalid

Research output: Contribution to journalConference articlepeer-review

4 Citations (Scopus)

Abstract

In the current research, the effect of soaking temperature in sequence of chemical modification on the characterization of micro fibrillated cellulose (MFC) from stalk sweet sorghum waste fibres was carried out. Chemical treatment sequences through alkalization followed by bleaching treatment. The treatment was objected to unbundle the lignocellulose networks into MFC with less amorphous part and higher of crystallinity. Evaluation of the soaking temperature effect on crystallinity index of sorghum fibres was measured with X-ray diffraction (XRD) and supported by morphological image from field-emission scanning electron microscope (FE-SEM) and chemical characterization from Fourier transformation infra-red (FTIR) Spectroscopy. The experiments showed that production MFC from stalk sweet sorghum waste with alkaline-bleach treatment was successfully carried out and enhanced crystallinity index from 41% to 77.55% due to removal of amorphous part include hemicellulose and lignin.

Original languageEnglish
Article number012079
JournalIOP Conference Series: Materials Science and Engineering
Volume509
Issue number1
DOIs
Publication statusPublished - 3 May 2019
Event13th Joint Conference on Chemistry, JCC 2018 - Semarang, Indonesia
Duration: 7 Sep 20188 Sep 2018

Keywords

  • chemical treatments
  • crystallinity index
  • FE-SEM
  • FTIR
  • micro-fibrillated cellulose (MFC)
  • sorghum waste

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